Noun preconception has 2 senses
  1. preconception, prepossession, parti pris, preconceived opinion, preconceived idea, preconceived notion - an opinion formed beforehand without adequate evidence; "he did not even try to confirm his preconceptions"
    --1 is a kind of opinion, sentiment, persuasion, view, thought
    Derived form: verb preconceive1
  2. bias, prejudice, preconception - a partiality that prevents objective consideration of an issue or situation
    --2 is a kind of partiality, partisanship
    --2 has particulars:
     taboo, tabu; irrational hostility; experimenter bias; homophobia; Islamophobia; racism; tendentiousness
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